CONTENTS

1 Purpose, scope and structure
1.1 Purpose
1.2 Scope
1.3 Structure
2 Overview of frame mode connection control
2.1 Frame mode calls
3 Message functional definitions and content
3.1 Messages for frame mode connection control
3.2 Messages used with global call reference
4 General message format and information element coding
4.1 Overview
4.2 Protocol discriminator
4.3 Call reference
4.4 Message type
4.5 Other information elements
5 Frame mode call control procedures
5.1 Outgoing call
5.2 Incoming call
5.3 Frame mode data transfer phase protocol
5.4 Call clearing
5.5 Restart procedures
5.6 Call collision
5.7 Handling of error conditions
5.8 List of system parameters
Annex A Additional procedures for Permanent Virtual Connection (PVC) status management (using Unnumbered Information frames)
A.1 Messages used for PVC status
A.2 Information elements
A.3 Information elements
A.4 Procedures
A.5 Error conditions
A.6 Optional bidirectional network procedures
A.7 System parameters
A.8 Annex A SDL specification
Annex B Additional procedures for permanent frame mode connection using acknowledged mode of operation
Annex C Provision of OSI connection mode network services (NC-establishment and release phases)
C.1 Definitions
C.2 Overview
C.3 Network connection establishment phase
C.4 Network connection release phase
Annex D PICS proforma for Annex A
D.1 Introduction
D.2 Identification of the implementation
D.3 Identification of the protocol
D.4 Global statement of conformance
D.5 Procedures for frame relay PVC management
Annex E Multiprotocol encapsulation over frame relay
E.1 Introduction
E.2 Frame format
E.3 Multiprotocol encapsulation
E.4 Directly connected frame relay terminal equipment
E.5 Network interconnect
Appendix I Window size for a data link layer protocol
Appendix II Additional procedures for multipoint Permanent Virtual Connections (PVCs)
II.1 Terminology
II.2 Description of Multicast PVC configurations
II.3 Procedures for setting the Active bit of the PVC status information element
References